package mba.studies.read_system;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

//全局跨域处理
@Configuration
public class MyCorsConfig extends WebMvcConfigurationSupport {
    @Bean
    public CorsFilter corsFilter(){
        //1.添加CORS配置信息
        CorsConfiguration config = new CorsConfiguration();
        //1) 允许的域,不要写*，否则cookie就无法使用了
        config.addAllowedOrigin("http://localhost:5174"); //这里填写请求的前端服务器
        //2) 是否发送Cookie信息
        config.setAllowCredentials(true);
        //3) 允许的请求方式
        config.addAllowedMethod("OPTIONS");
        config.addAllowedMethod("HEAD");
        config.addAllowedMethod("GET");
        config.addAllowedMethod("PUT");
        config.addAllowedMethod("POST");
        config.addAllowedMethod("DELETE");
        config.addAllowedMethod("PATCH");
        // 4）允许的头信息
        config.addAllowedHeader("*");
 
        //2.添加映射路径，拦截一切请求
        UrlBasedCorsConfigurationSource configSource = new UrlBasedCorsConfigurationSource();
        configSource.registerCorsConfiguration("/**", config);
 
        //3.返回新的CorsFilter.
        return new CorsFilter(configSource);
    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {

        //配置server虚拟路径，handler为前台访问的目录，locations为files相对应的本地路径
        registry.addResourceHandler("/**").addResourceLocations("file:c:\\hks-images\\");
        //配置server虚拟路径，handler为前台访问的目录，locations为files相对应的本地路径
//        registry.addResourceHandler("/**").addResourceLocations("classpath:static/");
    }
}
 